The Deep-Cut Blade has a 2 mm long blade that can be used to cut through thicker materials, such as craft foam. The Deep-Cut Blade is made of a sintered tungsten alloy composed of super-fine powder for extra durability.Specification Blade Material: Sintered Tungsten Alloy Adjustment Method: Manual adjustment (turned by hand) Blade Length Range: 0.1 mm - 2 mm For Use With Silhouette Curio Silhouette CAMEO 3 Silhouette Portrait 2 * Not compatible with original Portrait, original CAMEO, CAMEO 2, or other older Silhouette cutting models